CN217481944U - Pressure-adjustable variable-speed operating valve - Google Patents
Pressure-adjustable variable-speed operating valve Download PDFInfo
- Publication number
- CN217481944U CN217481944U CN202221679078.7U CN202221679078U CN217481944U CN 217481944 U CN217481944 U CN 217481944U CN 202221679078 U CN202221679078 U CN 202221679078U CN 217481944 U CN217481944 U CN 217481944U
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- screw
- pressure regulating
- pressure
- spring
- regulating screw
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Abstract
The utility model discloses an adjustable variable speed operating valve of pressure, including the valve body, turn right from a left side in the valve body and be equipped with left plug screw, slider, valve rod and the right plug screw that connect gradually, the cover is equipped with long spring on the outer disc of slider right-hand member and the outer disc of valve rod left end, and long spring outside cover is equipped with short spring, its characterized in that: the left plug screw is connected with a pressure regulating screw in a sealing way, the pressure regulating screw penetrates through the left plug screw, and the right end head is supported on the left end face of the sliding block. The utility model discloses a rotatory pressure regulating screw can make the slider control rectilinear movement in the valve body under the effect of spring force, changes the compression length of long spring and short spring to change the compressive force of length, short spring, reach the purpose that changes system hydraulic pressure force, adaptable multiple operating mode demand has enlarged the range of application, is worth popularizing and applying.
Description
Technical Field
The utility model relates to a variable speed operating valve technical field especially relates to an adjustable variable speed operating valve of pressure for engineering machine tool.
Background
The variable speed operating valve that present engineering machine tool used is original structure as (fig. 5), control the plug screw back of screwing, valve piece and valve rod distance L1 remain unchanged, the compression force that the length, short spring receive is unchangeable, system hydraulic pressure force and spring force each other are the balancing force, the variable speed operating valve hydraulic system pressure balance that dispatches from the factory is unchangeable, pressure is unadjustable in the use, because market part operating mode needs pressure to be increaseed, realize shifting fast, it needs pressure low also to have partial operating mode, the impact of reducible gearbox, for solving this problem, the utility model designs a section variable speed operating valve can realize pressure adjustment, satisfies different operating mode demands.
SUMMERY OF THE UTILITY MODEL
For solving current variable speed operating valve hydraulic system pressure balance and be unchangeable, the problem of the demand of unable different work condition of satisfying, the utility model provides an adjustable variable speed operating valve of pressure.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an adjustable variable speed operating valve of pressure, includes the valve body, turn right from a left side in the valve body and be equipped with left plug screw, slider, valve rod and the right plug screw that connects gradually, the cover is equipped with long spring on the outer disc of slider right-hand member and the outer disc of valve rod left end, long spring outside cover is equipped with short spring, its characterized in that: thread sealing has the pressure regulating screw in the left side plug screw, the pressure regulating screw passes left plug screw, and right-hand member top is held in slider left end face, and rotatory pressure regulating screw can make the slider rectilinear movement about in the valve body under the effect of spring force, changes the compression length of short spring and long spring to adjust the compressive force of short spring and long spring.
Furthermore, a through hole is formed in the right end in the left screw plug, an internal threaded hole which is coaxial and communicated with the through hole is formed in the left end, and an annular sealing groove is formed in the inner side wall of the through hole; the pressure regulating screw right-hand member is equipped with first cylinder portion and cooperatees with the through-hole, and the left end is equipped with external screw thread portion and internal thread hole threaded connection, the cover is equipped with O type sealing washer on the outer disc of first cylinder portion, O type sealing washer is located sealed ditch inslot.
Furthermore, the left end of the external thread part of the pressure regulating screw is in threaded connection with the internal thread hole, and the right end of the pressure regulating screw is sleeved with a gasket and a locknut.
Furthermore, the left end of the pressure regulating screw is provided with an inner hexagonal groove for inserting an inner hexagonal wrench, so that the pressure regulating screw can be conveniently rotated.
Furthermore, a coaxial cylindrical boss is arranged on the left end face of the pressure regulating screw, and the inner hexagonal groove penetrates through the cylindrical boss.
Compared with the prior art, the beneficial effects of the utility model are that: the pressure regulating screw is connected with the inner thread of the left screw plug in a threaded manner, and the pressure regulating screw is rotated by the inner hexagonal wrench, so that the position of the sliding block can move linearly left and right in the valve body, the compression length of the long spring and the compression length of the short spring are changed, the compression force of the long spring and the compression force of the short spring are changed, the purpose of changing the hydraulic pressure of a system is achieved, the pressure regulating screw can meet various working condition requirements, the application range is expanded, and the pressure regulating screw is worthy of popularization and application.
Drawings
Fig. 1 is a schematic structural view of an operating state 1 according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an operating state 2 according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a left plug screw according to an embodiment of the present invention;
FIG. 4 is a schematic view of a pressure adjusting screw according to an embodiment of the present invention;
fig. 5 is a schematic view of a conventional shift operating valve.
In the figure: 1. the pressure regulating valve comprises a pressure regulating screw 2, a left screw plug 3, a valve body 4, a sliding block 5, a short spring 6, a long spring 7, a valve rod 8, a right screw plug 9, a locknut 10, a gasket 11 and an O-shaped sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the embodiment of the utility model provides an include valve body 3, turn right from a left side in the valve body 3 and be equipped with left plug screw 2 that connects gradually, slider 4, valve rod 7 and right plug screw 8, the cover is equipped with long spring 6 on the outer disc of slider 4 right-hand member left end and the outer disc of valve rod 7 left end, the cover is equipped with short spring 5 outside the long spring 6, 2 internal thread sealing connection of left plug screw has pressure regulating screw 1, pressure regulating screw 1 passes left plug screw 2, right end top is held in slider 4 left end face, pressure regulating screw 1 left end is equipped with hexagon socket head cap groove 103, insert the rotatory pressure regulating screw 1 of hexagon socket head cap groove 103 with hexagon socket head cap spanner, can make slider 4 control linear motion in valve body 3 under the effect of spring force, change short spring 5 and long spring 6's compression length, thereby adjust short spring 4 and long spring 6's compressive force.
As shown in fig. 3, a through hole 201 is arranged at the right end in the left plug screw 2, an internal threaded hole 202 coaxial and communicated with the through hole 201 is arranged at the left end, and an annular sealing groove 203 is arranged on the inner side wall of the through hole 201;
as shown in fig. 4, the pressure adjusting screw 1 has a first cylindrical portion 101 at a right end thereof to be fitted into the through hole 201, an external threaded portion 102 at a left end thereof to be threadedly coupled to the internal threaded hole 202, an O-ring 11 fitted around an outer circumferential surface of the first cylindrical portion 101, and the O-ring 11 disposed in the sealing groove 203.
Preferably, the male screw 102 of the pressure adjusting screw 1 is screwed into the female screw hole 202 at the left end, and a washer 10 and a locknut 9 are fitted to the right end. The locknut 9 is used for rotating the pressure regulating screw 1, and the pressure regulating screw 1 is prevented from loosening after the spring is compressed, so that the pressure of the system is kept stable.
Preferably, the left end face of the pressure regulating screw is provided with a coaxial cylindrical boss, and the inner hexagonal groove penetrates through the cylindrical boss.
As shown in fig. 1 and 2, the working principle of the present invention is as follows: the slide block 4 and the valve rod 7 are arranged in the valve body 3 and are connected through the long spring 6, the left screw plug 2 and the right screw plug 8 are screwed and fixed on the valve body 3, the pressure regulating screw 1 is rotated, the slide block 4 can be pushed to move by the pressure regulating screw 1, and the compression force of the long spring 6 and the compression force of the short spring 5 can be changed by the left and right movement of the slide block 4, so that the pressure of a hydraulic system of the variable speed control valve can be changed. The utility model discloses a rotatory pressure regulating screw 1 reaches the purpose of adjustment variable speed operating valve system pressure, and same variable speed operating valve can make the complete machine satisfy the used demand of different operating modes through the pressure regulating, is worth popularizing and applying.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an adjustable variable speed operating valve of pressure, includes the valve body, turn right from a left side in the valve body and be equipped with left plug screw, slider, valve rod and the right plug screw that connects gradually, the cover is equipped with long spring on the outer disc of slider right-hand member and the outer disc of valve rod left end, long spring outside cover is equipped with short spring, its characterized in that: the left screw plug is connected with a pressure regulating screw in a sealing mode through an internal thread, the pressure regulating screw penetrates through the left screw plug, the right end head of the pressure regulating screw is supported on the left end face of the sliding block, the sliding block can move linearly left and right in the valve body under the action of spring force by rotating the pressure regulating screw, and the compression length of the short spring and the compression length of the long spring are changed, so that the compression force of the short spring and the compression force of the long spring are adjusted.
2. A pressure adjustable variable speed operating valve according to claim 1 wherein: the right end in the left screw plug is provided with a through hole, the left end is provided with an internal thread hole which is coaxial and communicated with the through hole, and the inner side wall of the through hole is provided with an annular sealing groove; the pressure regulating screw right-hand member is equipped with first cylinder portion and cooperatees with the through-hole, and the left end is equipped with external screw thread portion and internal thread hole threaded connection, the cover is equipped with O type sealing washer on the outer disc of first cylinder portion, O type sealing washer is located sealed ditch inslot.
3. A pressure adjustable variable speed operating valve according to claim 2, wherein: the left end of the external thread part of the pressure regulating screw is in threaded connection with the internal thread hole, and the right end of the pressure regulating screw is sleeved with a gasket and a locknut.
4. A pressure adjustable variable speed operating valve according to claim 1 wherein: the left end of the pressure regulating screw is provided with an inner hexagonal groove for inserting an inner hexagonal wrench, so that the pressure regulating screw can be rotated conveniently.
5. The pressure adjustable variable speed pilot valve of claim 4, wherein: the left end face of the pressure regulating screw is provided with a coaxial cylindrical boss, and the inner hexagonal groove penetrates through the cylindrical boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679078.7U CN217481944U (en) | 2022-07-01 | 2022-07-01 | Pressure-adjustable variable-speed operating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679078.7U CN217481944U (en) | 2022-07-01 | 2022-07-01 | Pressure-adjustable variable-speed operating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481944U true CN217481944U (en) | 2022-09-23 |
Family
ID=83317515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221679078.7U Active CN217481944U (en) | 2022-07-01 | 2022-07-01 | Pressure-adjustable variable-speed operating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481944U (en) |
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2022
- 2022-07-01 CN CN202221679078.7U patent/CN217481944U/en active Active
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